Mercurial > libervia-backend
annotate doc/jp/pubsub_node_schema.rst @ 3452:bb0225aaf4e6
plugin XEP-0346: "Form Discovery and Publishing" implementation:
this implementation replaces the former non standard node schema, and works in a similar
way (the schema is put in a separated node instead of a special field, thus it will now
work with most/all PubSub services, and not only SàT PubSub).
The implementation has been done in a way that nothing should be changed in frontends
(bridge methods names and arguments stay the same). The nodes are modified, but if values
are taken from backend, it's automatically adapted.
| author | Goffi <goffi@goffi.org> |
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| date | Fri, 11 Dec 2020 17:57:00 +0100 |
| parents | 72583524cfd3 |
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1 .. _jp-pubsub_node_schema: |
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2 |
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3 ========================================= |
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4 pubsub/node/schema: nodes schema handling |
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5 ========================================= |
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6 |
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7 ``node schema`` is an experimental feature to associate a data form with a PubSub node, and |
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8 reject items not following this form. This feature is currently only available with SàT |
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9 PubSub. |
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10 |
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11 Those commands can only be used by an owner of the node. |
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12 |
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13 set |
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14 === |
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15 |
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16 Set the schema of a node. The raw schema is written directly as positional argument. |
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17 |
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18 example |
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19 ------- |
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20 |
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21 Set the schema for tickets node using the file ``tickets_schema.xml`` from ``$HOME`` |
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22 directory. Shell substition is used here to put the content of the file in the positional |
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23 argument:: |
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24 |
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25 $ jp pubsub node schema set -n org.salut-a-toi.tickets:0 -s pubsub.example.org "$(<~/test_schema.xml)" |
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26 |
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27 |
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28 edit |
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29 ==== |
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30 |
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31 Edit the schema of a node using your local editor (the one set in ``$EDITOR``). |
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32 |
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33 If you don't change anything or publish an empty schema, the edition will be cancelled. |
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34 |
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35 :ref:`draft_common` commands can be used. |
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36 |
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37 example |
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38 ------- |
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39 |
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40 Edit the tickets node schema:: |
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41 |
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42 $ jp pubsub node schema edit -n org.salut-a-toi.tickets:0 -s pubsub.example.org |
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43 |
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44 |
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45 example |
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46 ------- |
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47 |
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48 get |
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49 === |
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50 |
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51 Retrieve schema of a node. |
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52 |
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53 example |
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54 ------- |
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55 |
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56 Get schema of tickets and save it to a file named ``tickets_schema.xml`` in ``$HOME`` |
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57 directory:: |
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58 |
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59 $ jp pubsub node schema get -n org.salut-a-toi.tickets:0 -s pubsub.example.org > ~/tickets_schema.xml |